/*
 * Copyright (2022) Bytedance Ltd. and/or its affiliates
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <Optimizer/CostModel/CTECost.h>

#include <Optimizer/CostModel/CostCalculator.h>
#include <QueryPlan/CTERefStep.h>

namespace DB
{
PlanNodeCost CTECost::calculate(const CTERefStep &, CostContext & context)
{
    PlanNodeStatisticsPtr stats = context.stats;
    if (!stats)
        return PlanNodeCost::ZERO;

    return context.cost_model.isEnableUseByteSize()
        ? PlanNodeCost::cpuCost(stats->getOutputSizeInBytes()) * context.cost_model.getCTECostWeight()
            + PlanNodeCost::netCost(stats->getOutputSizeInBytes()) + PlanNodeCost::memCost(stats->getOutputSizeInBytes())
        : PlanNodeCost::cpuCost(stats->getRowCount()) * context.cost_model.getCTECostWeight() + PlanNodeCost::netCost(stats->getRowCount())
            + PlanNodeCost::memCost(stats->getRowCount());
}
}
